Home / 3,464.31-4,780.78-1,892.41

Finding the Fourth Proportional to 3,464.31, 4,780.78 and 1,892.41

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Solution

The fourth proportional to 3,464.31, 4,780.78 and 1,892.41 is: 2,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.31 : 4,780.78 = 1,892.41 : x
  2. Step 2: Convert to fraction form
    3,464.31/4,780.78 = 1,892.41/x
  3. Step 3: Cross multiply
    3,464.31x = 4,780.78 × 1,892.41
  4. Step 4: Simplify right side
    3,464.31x = 9,047,195.88
  5. Step 5: Solve for x
    x = 9,047,195.88/3,464.31
  6. Step 6: Final answer
    x = 2,611.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.